hey, have a omega b 2.2 liter facelift with lpg for some time now, would I be interested in which oil (5w40 or 10w40) should be taken for this engine after conversion? the same question to the candle. have seen today the bosch also has extra candles for lpg operation, from price which do not differ from the normal at all. that was the here:http://cgi.ebay.de/…/330487680163?… thank you ciao